The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Rokinon 35mm f1.4 and the Canon 35mm f2.0 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Rokinon 35mm f1.4 is the longer of the two lenses at 112mm. The Canon 35mm f2.0 with a length of 43mm, is 69mm shorter. On the other hand, the Canon 35mm f2.0 has a larger diameter of 67mm compared to the Rokinon 35mm f1.4's 63mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Canon 35mm f2.0 weighs 210g, 68% (450g) lighter than the Rokinon 35mm f1.4's weight of 660g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.
Wideangle Prime Lenses in Canon EF Mount for Size Comparison
Both the Rokinon 35mm f1.4 and the Canon 35mm f2.0 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Rokinon 35mm f1.4 is also available in Nikon F (FX) , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Both lenses have the same focal range of 35mm but while Rokinon 35mm f1.4 has the fastest aperture of F1.4, the Canon 35mm f2.0's widest aperture value is F2.0.